2003 Cadillac Escalade EXT Headlight Bulb Size

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Fog Light Bulb Front - 880
Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam - D1R
Brake Light Bulb - 3157R
LED
Turn Signal Light Bulb Front - 3157A
License Plate Light Bulb - 194
Parking Light Bulb - 3157A
Tail Light Bulb - 3157R
LED
Turn Signal Light Bulb Rear - 3157A
Back Up Reverse Light Bulb - 3157
LED
Vanity Mirror Light Bulb - DE3175
LED
Glove Box Light Bulb - 194
Trunk or Cargo Area Light - 578
LED
Map Light Bulb - 578
LED
Courtesy Light Bulb - 168
LED
Ash Tray Light Bulb - 2721
LED

2003 Cadillac Escalade EXT Fog Light bulb size - 880

Halogen Lights

  • From a leader in automotive lighting, this smart replacement option delivers dependable performance and excellent light quality.
  • Easy to install in minutes. Replaces standard 880 fog light. Just plug them in and go..
  • Look to replace in pairs to ensure uniform light and life performance.
  • OEM quality parts.
  • Fog beam.

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2003 Cadillac Escalade EXT High Beam bulb size - 9005

Xenon HID Conversion Kit

–  Replacement bulb for HID conversion, requires Xentec HID ballast to work.

– Color available: 3000K (golden yellow), 5000K (Ivory White), 6000K (Diamond White), 8000K (Iceberg Blue), 10000K (deep blue), 12000K (blue-purple), Green, Pink.

– Each bundle contains 2 bulbs, 2 ballast, and accessories.

– Xenon Bulb: 2 xenon bulb fits the socket size and...
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Halogen Lights

Philips Standard range provides the same Original Equipment quality as the lights we provide to automakers around the world. The Philips Standard range offers an excellent value for every application.

Quick replacement tips:

  • Don't compromise on safety, change in pairs to ensure a symmetric light beam on the road. Bulbs dim over...

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– Brightest headlight = most downroad visibility.
– Whiter light for added clarity. Ultra Night Vision: Makes night drives less stressful and more comfortable
–All of Sylvania’s headlights are 100% street legal and don’t increase glare (is what blinds oncoming traffic). Be assured you are improving your driving experience without...
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LED Lights

Introducing TECHMAX 9005 LED Headlight Bulbs, the perfect solution for your car's lighting needs. These bulbs break the traditional design with their fanless and windless feature, providing a zero-noise experience while driving. You'll receive better and smoother radio signals and enjoy a comfortable experience from the quiet bulb.

With direct insertion,...
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The Fahren Termitor 9005/HB3 LED Headlight Bulbs are the perfect choice for anyone looking to upgrade their vehicle's lighting system. These bulbs feature 800% breakthrough brightness, making them one of the brightest headlight bulbs on the market.

Equipped with Z10 technology, each bulb utilizes a high-power double-sided 12 LED large chip...
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2003 Cadillac Escalade EXT Low Beam bulb size - D1R

Xenon HID Conversion Kit

Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other functions. With twice the amount of light, you can see potential obstacles much sooner. At highway speeds, HID lights give you up to a full...
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LED Lights

LASFIT LS plus series come out with ultra-high luminous efficiency which improves road visibility for distance and width, 500% brighter than halogen lamp. Maximize the light output without the loss of LED light.

Optimum Beam Pattern: Use the 1.5mm aluminum parts which are much thinner than the common ones in the...
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2003 Cadillac Escalade EXT Brake bulb size - 3157R

LED Lights

  • Direct replacement - this line of LED bulbs restores the appearance and safety of the original bulbs on specific vehicles
  • Corrosion resistant - bulb base features standard corrosion inhibitor
  • Restores appearance - looks, and function like the original bulb to maintain the look
  • Safety tested - undergone rigorous testing for conformance to product...

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2003 Cadillac Escalade EXT Turn Signal bulb size - 3157A

LED Lights

Philips Ultinon 3157A LED bulb is an amber colored light that uses a high-quality, high-intensity Philips LED chip. The amber color of this Philips Ultinon 3157A LED bulb provides bright and stylish signaling for your vehicle.

This Philips Ultinon 3157A LED bulb can be used as a direct replacement in many...
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  • Standard 3157 LED Bulb Lamp with 5630 33SMD High Power LEDs, Brighter than Normal Incandescent Bulbs.
  • Cross-Compatibility: Fits 3047, 3057, 3057A, 3155, 3157, 3157A, 3157NA, 3357, 3357A, 3454NA, 3457, 3457A, 3457NA, 3757A, 3156, 3056, 3356, 3456, 4156, 4057, 4114, 4157, 4157NA, 5702A, 5702AK
  • Used for Tail Lights, Brake Lights, Reverse Lights, Turn Signals Lights,...

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Halogen Lights

The Philips 3157A LLB2 miniature bulb is a halogen bulb that provides twice the life of standard incandescent bulbs. It has a long-life rating of 2,500 hours and is used in many applications such as headlamps, turn signal lights, license plate lights and marker lamps. The Miniature Bulb by Philips...
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2003 Cadillac Escalade EXT License Plate bulb size - 194

LED Lights

Product benefits:

  1. Canbus error free, no error after installation.
  2. 360-degree lighting angle, no visual blind spot.
  3. Energy-Saving, low power consumption for a longer life span.
  4. Easy to install, non-polarity just plug and play.
  5. Brilliant red color light brings your car a refreshed new look.
  6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...

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  • 360-degree light output coverage.
  • 5 times more light than conventional interior lighting.
  • Up to 12 years lifetime compared to regular halogen bulbs.

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Halogen Lights

– Longer life than basic bulbs
– Legal for on road use
– OE (Original Equipment) Manufacturer
– Light bulbs dim over time and require replacement
– Replace in pairs for optimal performance


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2003 Cadillac Escalade EXT Parking bulb size - 3157A

LED Lights

Philips Ultinon 3157A LED bulb is an amber colored light that uses a high-quality, high-intensity Philips LED chip. The amber color of this Philips Ultinon 3157A LED bulb provides bright and stylish signaling for your vehicle.

This Philips Ultinon 3157A LED bulb can be used as a direct replacement in many...
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  • Standard 3157 LED Bulb Lamp with 5630 33SMD High Power LEDs, Brighter than Normal Incandescent Bulbs.
  • Cross-Compatibility: Fits 3047, 3057, 3057A, 3155, 3157, 3157A, 3157NA, 3357, 3357A, 3454NA, 3457, 3457A, 3457NA, 3757A, 3156, 3056, 3356, 3456, 4156, 4057, 4114, 4157, 4157NA, 5702A, 5702AK
  • Used for Tail Lights, Brake Lights, Reverse Lights, Turn Signals Lights,...

Product review
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See More 3157A LED Lights

Halogen Lights

The Philips 3157A LLB2 miniature bulb is a halogen bulb that provides twice the life of standard incandescent bulbs. It has a long-life rating of 2,500 hours and is used in many applications such as headlamps, turn signal lights, license plate lights and marker lamps. The Miniature Bulb by Philips...
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See More 3157A Halogen Lights

2003 Cadillac Escalade EXT Tail Light bulb size - 3157R

LED Lights

  • Direct replacement - this line of LED bulbs restores the appearance and safety of the original bulbs on specific vehicles
  • Corrosion resistant - bulb base features standard corrosion inhibitor
  • Restores appearance - looks, and function like the original bulb to maintain the look
  • Safety tested - undergone rigorous testing for conformance to product...

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2003 Cadillac Escalade EXT Turn Signal Rear bulb size - 3157A

LED Lights

Philips Ultinon 3157A LED bulb is an amber colored light that uses a high-quality, high-intensity Philips LED chip. The amber color of this Philips Ultinon 3157A LED bulb provides bright and stylish signaling for your vehicle.

This Philips Ultinon 3157A LED bulb can be used as a direct replacement in many...
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  • Standard 3157 LED Bulb Lamp with 5630 33SMD High Power LEDs, Brighter than Normal Incandescent Bulbs.
  • Cross-Compatibility: Fits 3047, 3057, 3057A, 3155, 3157, 3157A, 3157NA, 3357, 3357A, 3454NA, 3457, 3457A, 3457NA, 3757A, 3156, 3056, 3356, 3456, 4156, 4057, 4114, 4157, 4157NA, 5702A, 5702AK
  • Used for Tail Lights, Brake Lights, Reverse Lights, Turn Signals Lights,...

Product review
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See More 3157A LED Lights

Halogen Lights

The Philips 3157A LLB2 miniature bulb is a halogen bulb that provides twice the life of standard incandescent bulbs. It has a long-life rating of 2,500 hours and is used in many applications such as headlamps, turn signal lights, license plate lights and marker lamps. The Miniature Bulb by Philips...
Product review

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See More 3157A Halogen Lights

2003 Cadillac Escalade EXT Back Up bulb size - 3157

LED Lights

Product benefits and features:

  • Each bulb is quipped with 39pcs high power and high illumination 2835 SMD LEDs;
  • Built-in smart IC driver for stable current control and longer lifespan;
  • Equipped with projector-lens for fully 360° light output.
  • Equipped with aluminum heat sink for the best heat dissipation.
  • Especially designed for replacing back-up reverse lights, turn...

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2003 Cadillac Escalade EXT Vanity Mirror bulb size - DE3175

LED Lights

Introducing our high-performance 31mm DE3175 DE3021 DE3022 DE3023 festoon LED bulbs! These bulbs are designed to provide superior illumination and enhance the overall lighting experience in your vehicle. With a sleek and compact design, these bulbs are a perfect replacement for your existing car light bulbs.

Equipped with 24-SMD 4014 type...
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  • Super bright: Combriller DE3175 DE3021 bulb is built with 10-SMD 4014 LED chips, 300% Brighter than halogen bulbs, and increased brightness offers your car pure white super bright light output.
  • Plug-And-Play: Non-polarity design, this DE3175 LED bulb is built with a 1:1 same socket as a halogen bulb, ensuring a perfect electrical...

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2003 Cadillac Escalade EXT Glove Box bulb size - 194

LED Lights

Product benefits:

  1. Canbus error free, no error after installation.
  2. 360-degree lighting angle, no visual blind spot.
  3. Energy-Saving, low power consumption for a longer life span.
  4. Easy to install, non-polarity just plug and play.
  5. Brilliant red color light brings your car a refreshed new look.
  6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...

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  • 360-degree light output coverage.
  • 5 times more light than conventional interior lighting.
  • Up to 12 years lifetime compared to regular halogen bulbs.

Product review
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See More 194 LED Lights

Halogen Lights

– Longer life than basic bulbs
– Legal for on road use
– OE (Original Equipment) Manufacturer
– Light bulbs dim over time and require replacement
– Replace in pairs for optimal performance


Product review
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See More 194 Halogen Lights

2003 Cadillac Escalade EXT Trunk Area bulb size - 578

LED Lights

The KATUR Festoon 578 (C5W) Led Bulbs are a great choice for those looking to upgrade their car's lighting. With lower power consumption and a longer lifespan, these bulbs are more efficient and long-lasting than traditional incandescent bulbs. The fast light response and safe design of these bulbs make them...
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Features:
Long-lasting life durability and utility.
Low working temperature better heat dissipation.
Easy installation. Built-in Canbus driver can bypass error checks for most cars. Non-Polarity Design. For most vehicles Just Plug & Play.


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2003 Cadillac Escalade EXT Map Light bulb size - 578

LED Lights

The KATUR Festoon 578 (C5W) Led Bulbs are a great choice for those looking to upgrade their car's lighting. With lower power consumption and a longer lifespan, these bulbs are more efficient and long-lasting than traditional incandescent bulbs. The fast light response and safe design of these bulbs make them...
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Features:
Long-lasting life durability and utility.
Low working temperature better heat dissipation.
Easy installation. Built-in Canbus driver can bypass error checks for most cars. Non-Polarity Design. For most vehicles Just Plug & Play.


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2003 Cadillac Escalade EXT Courtesy bulb size - 168

LED Lights

  • DOT and SAE Compliant. Made by an ISO Certified Manufacturer using Materials that meet or Exceed OEM Requirements!
  • Installation Made Easy on All of Our Items! Little to No Modifications are needed at Best!

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Design.

The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...
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2003 Cadillac Escalade EXT Ash Tray bulb size - 2721

LED Lights

The Jtech 10 x T5 LED White Bulbs are a direct replacement for all T5 Wedge Type 17 18 27 37 58 70 73 74 79 85 86 2721. They operate on a 12V input and emit bright white light with no UV or IR radiation. With an average lifespan...
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  • Light Color: Pure white
  • Unique and more vivid color
  • Low Power Consumption and Low Temperature
  • Faster response time,No incandescent delay
  • Longer lifespan, draw less power, generate less heat
  • brighter than halogen bulb

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The 2003 Cadillac Escalade EXT bulb size chart specifies the recommended lamp part numbers and types for all positions of its electrical system, like headlights, fog lights, brake lights, side markers, etc. If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your 2003 Cadillac Escalade EXT requires to fit into the housing and match the wattage and voltage specifications. Pay special attention to the marking and make sure the bulb is “DOT” compliant to avoid legal issues.





Reviewed by Brent Ordway

Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.

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Cadillac Escalade EXT Bulb Chart By Years


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